refactor: added custom routing for profiles

- installed a regex conveter to werkzeug to support regular expresions in routes
- added a website route rule to match all profiles

community/hooks.py

@@ -91,7 +91,7 @@ app_include_js = "/assets/community/js/community.js"
 # Hook on document methods and events
 
 doc_events = {
-	"User": {	
+	"User": {
 		"after_insert": "community.community.doctype.community_member.community_member.create_member_from_user"
 	}
  }
@@ -127,8 +127,29 @@ scheduler_events = {
 #
 # auto_cancel_exempted_doctypes = ["Auto Repeat"]
 
-website_route_rules = [
+from .routing import install_regex_converter
+install_regex_converter()
+
+# Add all simple route rules here
+primary_rules = [
     {"from_route": "/sketches/<sketch>", "to_route": "sketches/sketch"},
     {"from_route": "/courses/<course>", "to_route": "courses/course"},
     {"from_route": "/courses/<course>/<topic>", "to_route": "courses/topic"},
+    {"from_route": "/courses/<course>/<topic>", "to_route": "courses/topic"}
 ]
+
+# Any frappe default URL is blocked by profile-rules, add it here to unblock it
+whitelist = [
+    "/login",
+    "/update-password",
+    "/update-profile",
+    "/third-party-apps"
+]
+whitelist_rules = [{"from_route": p, "to_route": p[1:]} for p in whitelist]
+
+# regex rule to match all profiles
+profile_rules = [
+    {"from_route": "/<regex('[a-z0-9-]{5,}'):username>", "to_route": "profiles/profile"},
+]
+
+website_route_rules = primary_rules + whitelist_rules + profile_rules

community/routing.py

@@ -0,0 +1,25 @@
+"""Utilities for making custom routing.
+"""
+
+from werkzeug.routing import BaseConverter, Map
+from werkzeug.datastructures import ImmutableDict
+
+class RegexConverter(BaseConverter):
+    """werkzeug converter that supports custom regular expression.
+
+    The `install_regex_converter` function must be called before using
+    regex converter in rules.
+    """
+    def __init__(self, map, regex):
+        super().__init__(map)
+        self.regex = regex
+
+def install_regex_converter():
+    """Installs the RegexConvetor to the default converters supported by werkzeug.
+
+    This allows specifing rules using regex. For example:
+
+        /profiles/<regex("[a-z0-9]{5,}"):username>
+    """
+    default_converters = dict(Map.default_converters, regex=RegexConverter)
+    Map.default_converters = ImmutableDict(default_converters)

community/www/profiles/profile.html

@@ -0,0 +1,25 @@
+{% extends "templates/web.html" %}
+{% block page_content %}
+<div class="py-20 row">
+    {% if user.photo %}
+    <div class="col-sm-2 border border-dark">
+        <img src="{{ user.photo }}" alt="{{ user.full_name }}">
+    </div>
+    {% else %}
+    <div class="col-sm-2">
+        <div class="standard-image" style="font-size: 30px;">{{ user.abbr }}</div>
+    </div>
+    {% endif %}
+    <div class="col">
+        <h1>{{ user.full_name }}</h1>
+        {% if user.short_intro %}
+        <p class="lead"> {{ user.short_intro }} </p>
+        {% endif %}
+        {% if user.bio %}
+        <p class="markdown-style"> {{ frappe.utils.md_to_html(user.bio) }} </p>
+        {% endif %}
+    </div>
+</div>
+{% endblock %}
+
+<!-- this is a sample default web page template -->

community/www/profiles/profile.py

@@ -0,0 +1,18 @@
+import frappe
+
+def get_context(context):
+    context.no_cache = 1
+
+    username = frappe.form_dict.get('username')
+    user = username and get_user(username)
+    if not user:
+        context.template = "www/404.html"
+
+    user.abbr = "".join([s[0] for s in user.full_name.split()])
+    context.user = user
+
+def get_user(username):
+    try:
+        return frappe.get_doc("Community Member", username)
+    except frappe.DoesNotExistError:
+        return